SECONDARY STANDARDS.
923
D.
C.
F.
E.
Scale.
Scale.
I+Y, G + Q+4R + X
20-41
G + Q + 4R + X, I+Y
16-90
20-36
16-67
10-4
10-4
747-8
11
19-90
16-42
20-02
16-79
I+Y, G+Q+3R + X
15-47
G + Q + 3R+X, I + Y
16-36
10-55
10-6
747-7
11-1
14-56
16-55
14-71
16-41
14-72
16-05
10-65
10-7
747-7
11-2
14-24
15-69
15-09
15-85
169-48 163-69
20(G + Q + X) + 68R:A 20(1 +Y)+ 5-79 parts.
40(G + Q)+148R^40I + 9-82 parts, M=10-23, F=747-8, E=ll.G + QA: I —0-04086 grain in air (#=10-23, 6=746-91).
G=I — 0-03932 grain.
G2iW-0-03937 grain in air (log A=7-07832-10).
G=lb. No. 25.
100 parts=0-39825 grain.
D.
C.
F.
E.
Scale.
I+X, G+Q+2R + Y 17-65
. 17-00
Scale.
G + Q+2R + Y, I + X 16-42. 15-80
10-52
10-55
768-7
11-5
. 15-40
. 14-55
. 15-61
. 13-94
.. 17-21
. 16-42
10-85
10-85
769-4
11-65
. 16-11
. 15-86
. 18-01
. 18-65
. 17-84
. 18-59
11-1
11-1
769-7
11-9
. 16-86
. 18-07
. 18-62
. 18-20
170-31
166-50
20(G + Q+2R):A20(I + X) + 3-81 parts.
D.
c.
F.
E.
Scale.
I + Y, G + Q+2R + X 18-35
. 18-91
Scale.
G + Q+2R + X, I + Y 18-09
. 17-57
11-3
11-3
770-2
11-9
. 16-17
. 18-04
. 18-06
. 18-01
. 17-82
. 17-70
11-45
11-45
770-3
12
. 18-26
. 17-37
. 17-22
. 16-91
. 17-70
11-6
11-6
770-5
12-1
. 15-77
. 14-80
.. 14-51
15-64
172-77
171-13
20(G + Q+2 R + X) 20( I + Y) +1-64 part.
40G + Q+2R:£40I + 5-45 parts, M=ll-13, F=769-8, E= 11-84.G + Q—I—0-02218 grain in air (#=11-14, 6=768-77).
G=I + 0-00l63 grain.
G W — 0-00368 grain in air (log A=7'07832 —10).
6 E
mdccclvi.